Re: [Maxima-discuss] substitute part of an expression with a variable

[Stavros M. <mac...@al...>]

*substpart('t,y,2)*

That is, substitute *t* for *part(y,2)*.

By the way, I find the syntax "substitute *part(y,2) **with* *t*" peculiar,
but according to the OED, it is pretty common -- though it has been
criticized by some commentators. I would say "replace" in that phrase.

I wonder what the usage is in mathematical writing in various varieties of
English.

             -s



On Fri, Aug 5, 2022 at 8:41 AM Henk Martijn <h.h...@gm...> wrote:

> Hi!
>
> Is it possible in maxima to substitute a part of an expression with
> another variable?
> for instance:
> y: (x^2+1)/(x+5)^5;
> rewrite it as
> (x^2+1)/t;
> were
> t: (x+5)^5;
>
> thanks!
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